com.android.dx.rop.cst.CstDouble Maven / Gradle / Ivy
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dx.rop.cst;
import com.android.dx.rop.type.Type;
import com.android.dx.util.Hex;
/**
* Constants of type {@code CONSTANT_Double_info}.
*/
public final class CstDouble
extends CstLiteral64 {
/** {@code non-null;} instance representing {@code 0} */
public static final CstDouble VALUE_0 =
new CstDouble(Double.doubleToLongBits(0.0));
/** {@code non-null;} instance representing {@code 1} */
public static final CstDouble VALUE_1 =
new CstDouble(Double.doubleToLongBits(1.0));
/**
* Makes an instance for the given value. This may (but does not
* necessarily) return an already-allocated instance.
*
* @param bits the {@code double} value as {@code long} bits
*/
public static CstDouble make(long bits) {
/*
* Note: Javadoc notwithstanding, this implementation always
* allocates.
*/
return new CstDouble(bits);
}
/**
* Constructs an instance. This constructor is private; use {@link #make}.
*
* @param bits the {@code double} value as {@code long} bits
*/
private CstDouble(long bits) {
super(bits);
}
/** {@inheritDoc} */
@Override
public String toString() {
long bits = getLongBits();
return "double{0x" + Hex.u8(bits) + " / " +
Double.longBitsToDouble(bits) + '}';
}
/** {@inheritDoc} */
@Override
public Type getType() {
return Type.DOUBLE;
}
/** {@inheritDoc} */
@Override
public String typeName() {
return "double";
}
/** {@inheritDoc} */
@Override
public String toHuman() {
return Double.toString(Double.longBitsToDouble(getLongBits()));
}
/**
* Gets the {@code double} value.
*
* @return the value
*/
public double getValue() {
return Double.longBitsToDouble(getLongBits());
}
}